From 91d40fdd69da3b4c0ecc7107c0e5488443ad376f Mon Sep 17 00:00:00 2001
From: Andrei Prykhodko
Date: Fri, 29 Jun 2018 17:46:15 +0300
Subject: PINK: implemented GoToPreviousPage command

---
 engines/pink/pda_mgr.cpp | 8 ++++++++
 engines/pink/pda_mgr.h   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/engines/pink/pda_mgr.cpp b/engines/pink/pda_mgr.cpp
index 8e8b6eca8b..60b51a4934 100644
--- a/engines/pink/pda_mgr.cpp
+++ b/engines/pink/pda_mgr.cpp
@@ -50,6 +50,12 @@ void PDAMgr::execute(const Command &command) {
 	case Command::kGoToPage:
 		goToPage(command.arg);
 		break;
+	case Command::kGoToPreviousPage: {
+		assert(_previousPages.size() >= 2);
+		_previousPages.pop();
+		goToPage(_previousPages.pop());
+		break;
+	}
 	case Command::kClose:
 		close();
 		break;
@@ -75,6 +81,8 @@ void PDAMgr::goToPage(const Common::String &pageName) {
 	}
 
 	_cursorMgr.setPage(_page);
+
+	_previousPages.push(_page->getName());
 }
 
 void PDAMgr::onLeftButtonClick(Common::Point point) {
diff --git a/engines/pink/pda_mgr.h b/engines/pink/pda_mgr.h
index 08c3d96b62..246679dee1 100644
--- a/engines/pink/pda_mgr.h
+++ b/engines/pink/pda_mgr.h
@@ -68,6 +68,7 @@ private:
 	CursorMgr _cursorMgr;
 	Array<Actor *> _globalActors;
 	Common::String _savedPage;
+	Common::Stack<Common::String> _previousPages;
 };
 
 } // End of namespace Pink
-- 
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