From a6aaeb70e6dfb3a9727e8861041601cf658aa5cd Mon Sep 17 00:00:00 2001
From: Martin Kiewitz
Date: Mon, 4 Jan 2010 22:23:45 +0000
Subject: SCI: fix crash due accessing invalid object (implemented
 deleteScreenitem)

svn-id: r46993
---
 engines/sci/gui/gui.cpp | 10 ++++++++++
 engines/sci/gui/gui.h   |  1 +
 2 files changed, 11 insertions(+)

(limited to 'engines/sci/gui')

diff --git a/engines/sci/gui/gui.cpp b/engines/sci/gui/gui.cpp
index 48f99ffa51..93a40bb378 100644
--- a/engines/sci/gui/gui.cpp
+++ b/engines/sci/gui/gui.cpp
@@ -844,6 +844,16 @@ void SciGui::addScreenItem(reg_t object) {
 	_screenItemCount++;
 }
 
+void SciGui::deleteScreenItem(reg_t object) {
+	for (int itemNr = 0; itemNr < _screenItemCount; itemNr++) {
+		if (_screenItems[itemNr] == object) {
+			_screenItems.remove_at(itemNr);
+			_screenItemCount--;
+			return;
+		}
+	}
+}
+
 void SciGui::frameOut() {
 	for (int itemNr = 0; itemNr < _screenItemCount; itemNr++) {
 		reg_t viewObj = _screenItems[itemNr];
diff --git a/engines/sci/gui/gui.h b/engines/sci/gui/gui.h
index 2017c1b1fe..a81e61d7e9 100644
--- a/engines/sci/gui/gui.h
+++ b/engines/sci/gui/gui.h
@@ -155,6 +155,7 @@ public:
 
 	// SCI32
 	virtual void addScreenItem(reg_t object);
+	virtual void deleteScreenItem(reg_t object);
 	virtual void frameOut();
 
 	virtual bool debugUndither(bool flag);
-- 
cgit v1.2.3