From e9cddb105bab59067c317525a9c69ab1d6e57043 Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Mon, 9 Oct 2017 05:47:39 -0400
Subject: [PATCH] Add onTextChange() to TextField

---
 include/widgets.hpp       | 1 +
 src/widgets/TextField.cpp | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/widgets.hpp b/include/widgets.hpp
index 5f8f3a94..7fafc368 100644
--- a/include/widgets.hpp
+++ b/include/widgets.hpp
@@ -411,6 +411,7 @@ struct TextField : OpaqueWidget {
 	bool onFocusKey(int scancode);
 	bool onFocus();
 	void insertText(std::string newText);
+	virtual void onTextChange() {}
 };
 
 struct PasswordField : TextField {
diff --git a/src/widgets/TextField.cpp b/src/widgets/TextField.cpp
index e1d3585c..0e359b8e 100644
--- a/src/widgets/TextField.cpp
+++ b/src/widgets/TextField.cpp
@@ -41,20 +41,25 @@ bool TextField::onFocusKey(int key) {
 		case GLFW_KEY_BACKSPACE:
 			if (begin < end) {
 				text.erase(begin, end - begin);
+				onTextChange();
 			}
 			else {
 				begin--;
-				if (begin >= 0)
+				if (begin >= 0) {
 					text.erase(begin, 1);
+					onTextChange();
+				}
 			}
 			end = begin;
 			break;
 		case GLFW_KEY_DELETE:
 			if (begin < end) {
 				text.erase(begin, end - begin);
+				onTextChange();
 			}
 			else {
 				text.erase(begin, 1);
+				onTextChange();
 			}
 			end = begin;
 			break;
@@ -115,6 +120,7 @@ void TextField::insertText(std::string newText) {
 	text.insert(begin, newText);
 	begin += newText.size();
 	end = begin;
+	onTextChange();
 }