/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011 The ManaPlus Developers * * This file is part of The ManaPlus 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