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Diffstat (limited to 'src/gui/widgets/scrollarea.h')
-rw-r--r-- | src/gui/widgets/scrollarea.h | 151 |
1 files changed, 151 insertions, 0 deletions
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 |