Maelstrom: You can press escape to cancel dialogs

SDL Commits
#1

https://github.com/libsdl-org/Maelstrom/commit/f7fc925ab7e32bda26c641bad8666981a1f5b9fb

From f7fc925ab7e32bda26c641bad8666981a1f5b9fb Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 29 Oct 2011 01:45:32 -0400
Subject: [PATCH] You can press escape to cancel dialogs

---
 UIDialog.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/UIDialog.cpp b/UIDialog.cpp
index ddeb7e0b..80c8dca2 100644
--- a/UIDialog.cpp
+++ b/UIDialog.cpp
@@ -1,5 +1,6 @@
 
 #include "screenlib/SDL_FrameBuf.h"
+#include "screenlib/UIManager.h"
 
 #include "UIDialog.h"
 
@@ -110,6 +111,11 @@ UIDialog::HandleEvent(const SDL_Event &event)
 	UIPanel::HandleEvent(event);
 
 	if (event.type != SDL_QUIT) {
+		/* Press escape to cancel out of dialogs */
+		if (event.type == SDL_KEYUP &&
+		    event.key.keysym.sym == SDLK_ESCAPE) {
+			GetUI()->HidePanel(GetUI()->GetCurrentPanel());
+		}
 		return true;
 	}
 	return false;