From 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 2 Jan 2011 01:48:38 +0200
Subject: Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
---
 src/gui/widgets/scrollarea.h | 151 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 src/gui/widgets/scrollarea.h

(limited to 'src/gui/widgets/scrollarea.h')

diff --git a/src/gui/widgets/scrollarea.h b/src/gui/widgets/scrollarea.h
new file mode 100644
index 000000000..4f6a07f82
--- /dev/null
+++ b/src/gui/widgets/scrollarea.h
@@ -0,0 +1,151 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file is part of The Mana Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SCROLLAREA_H
+#define SCROLLAREA_H
+
+#include <guichan/widgets/scrollarea.hpp>
+#include <guichan/widgetlistener.hpp>
+
+#ifdef __GNUC__
+#define _UNUSED_  __attribute__ ((unused))
+#else
+#define _UNUSED_
+#endif
+
+class Image;
+class ImageRect;
+
+/**
+ * A scroll area.
+ *
+ * Contrary to Guichan's scroll area, this scroll area takes ownership over its
+ * content. However, it won't delete a previously set content widget when
+ * setContent is called!
+ *
+ * \ingroup GUI
+ */
+class ScrollArea : public gcn::ScrollArea, public gcn::WidgetListener
+{
+    public:
+        /**
+         * Constructor that takes no content. Needed for use with the DropDown
+         * class.
+         */
+        ScrollArea();
+
+        /**
+         * Constructor.
+         *
+         * @param content the initial content to show in the scroll area
+         */
+        ScrollArea(gcn::Widget *content);
+
+        /**
+         * Destructor. Also deletes the content.
+         */
+        ~ScrollArea();
+
+        /**
+         * Logic function optionally adapts width or height of contents. This
+         * depends on the scrollbar settings.
+         */
+        void logic();
+
+        /**
+         * Update the alpha value to the graphic components.
+         */
+        void updateAlpha();
+
+        /**
+         * Draws the scroll area.
+         */
+        void draw(gcn::Graphics *graphics);
+
+        /**
+         * Draws the background and border of the scroll area.
+         */
+        void drawFrame(gcn::Graphics *graphics);
+
+        /**
+         * Sets whether the widget should draw its background or not.
+         */
+        void setOpaque(bool opaque);
+
+        /**
+         * Returns whether the widget draws its background or not.
+         */
+        bool isOpaque() const { return mOpaque; }
+
+        /**
+         * Called when the mouse moves in the widget area.
+         */
+        void mouseMoved(gcn::MouseEvent& event);
+
+        /**
+         * Called when the mouse enteres the widget area.
+         */
+        void mouseEntered(gcn::MouseEvent& event);
+
+        /**
+         * Called when the mouse leaves the widget area.
+         */
+        void mouseExited(gcn::MouseEvent& event);
+
+        void widgetResized(const gcn::Event &event);
+
+    protected:
+        enum BUTTON_DIR
+        {
+            UP = 0,
+            DOWN,
+            LEFT,
+            RIGHT
+        };
+
+        /**
+         * Initializes the scroll area.
+         */
+        void init();
+
+        void drawButton(gcn::Graphics *graphics, BUTTON_DIR dir);
+        void drawUpButton(gcn::Graphics *graphics);
+        void drawDownButton(gcn::Graphics *graphics);
+        void drawLeftButton(gcn::Graphics *graphics);
+        void drawRightButton(gcn::Graphics *graphics);
+        void drawVBar(gcn::Graphics *graphics);
+        void drawHBar(gcn::Graphics *graphics);
+        void drawVMarker(gcn::Graphics *graphics);
+        void drawHMarker(gcn::Graphics *graphics);
+
+        static int instances;
+        static float mAlpha;
+        static ImageRect background;
+        static ImageRect vMarker;
+        static ImageRect vMarkerHi;
+        static Image *buttons[4][2];
+
+        int mX, mY;
+        bool mHasMouse;
+        bool mOpaque;
+};
+
+#endif
-- 
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