From a7049e5b3d4d165b59cb509101050177944828ec Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Sat, 6 Jun 2009 17:40:09 +0000
Subject: Fix implementation of prevent.input. This fixes SQ2 intro

svn-id: r41241
---
 engines/agi/agi.h      |  1 +
 engines/agi/op_cmd.cpp |  2 ++
 engines/agi/text.cpp   | 15 ++++++++++++++-
 3 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'engines/agi')

diff --git a/engines/agi/agi.h b/engines/agi/agi.h
index c38ffbfbcc..f22c4ade58 100644
--- a/engines/agi/agi.h
+++ b/engines/agi/agi.h
@@ -979,6 +979,7 @@ public:
 	char *agiSprintf(const char *);
 	void writeStatus(void);
 	void writePrompt(void);
+	void clearPrompt(void);
 	void clearLines(int, int, int);
 	void flushLines(int, int);
 	bool predictiveDialog(void);
diff --git a/engines/agi/op_cmd.cpp b/engines/agi/op_cmd.cpp
index 03b1accce8..07078100a8 100644
--- a/engines/agi/op_cmd.cpp
+++ b/engines/agi/op_cmd.cpp
@@ -1312,6 +1312,8 @@ cmd(prevent_input) {
 
 	g_agi->newInputMode(INPUT_NONE);
 	game.inputEnabled = false;
+
+	g_agi->clearPrompt();
 }
 
 cmd(get_string) {
diff --git a/engines/agi/text.cpp b/engines/agi/text.cpp
index 6317eb0298..63f93802a7 100644
--- a/engines/agi/text.cpp
+++ b/engines/agi/text.cpp
@@ -656,8 +656,11 @@ void AgiEngine::writePrompt() {
 	int l, fg, bg, pos;
 	int promptLength = strlen(agiSprintf(_game.strings[0]));
 
-	if (!_game.inputEnabled || _game.inputMode != INPUT_NORMAL)
+	if (!_game.inputEnabled || _game.inputMode != INPUT_NORMAL) {
+		clearPrompt();
+
 		return;
+	}
 
 	l = _game.lineUserInput;
 	fg = _game.colorFg;
@@ -676,6 +679,16 @@ void AgiEngine::writePrompt() {
 	_gfx->doUpdate();
 }
 
+void AgiEngine::clearPrompt() {
+	int l;
+
+	l = _game.lineUserInput;
+	clearLines(l, l, _game.colorBg);
+	flushLines(l, l);
+
+	_gfx->doUpdate();
+}
+
 /**
  * Clear text lines in the screen.
  * @param l1  start line
-- 
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